Are ticks a problem in Illinois?

There have been 29 tick reports near Illinois, IL, with 0 bites and 29 sightings. The most common species reported is the Unidentified. Check the Tick Map for the latest 2026 tick activity.

What kind of ticks are in Illinois?

The most commonly reported tick species in Illinois include Unidentified. Each species carries different disease risks — see our species guide for identification help.

Tick Map

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Ticks in Illinois, IL

29 tick reports from the Illinois, IL area.

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Total Reports

Sightings

Bites

Species Found in Illinois

Unidentified29 (100%)

Tick Safety in Illinois

Ticks are active in Illinois, IL and surrounding areas. The most commonly reported species is the Unidentified, making up 100% of reports.

✓Wear light-colored clothing when walking in wooded areas or tall grass
✓Use EPA-registered tick repellent (DEET, picaridin, or IR3535)
✓Do a full-body tick check after being outdoors — especially behind ears, hairline, and waistband
✓Shower within 2 hours of coming inside
✓If bitten, remove the tick with fine-tipped tweezers and monitor for symptoms for 30 days